Use sketch with notes explanation show the earthing and
protective bonding arrangements the mains intake position a
230V cable sheath supply. RCD protection
c.
26. everyone may work ‘live’
b. Identify from the list below the test which used verify that all fuses,
circuit breakers and switches are connected the line conductor:
a. Compare PVC/SWA cables with cables and give their advantages,
disadvantages and typical applications. Every caravan pitch must have least one 16A socket outlet for
connection caravan. functional test
d. continuity test
b.
21.
24.
23. Use sketch with notes explanation show how mini-trunking and
skirting trunking could used contain all the electrical supplies a
school’s computing classroom. one may work ‘live’
c. earth fault loop impedance
c. Use sketch with notes explanation show the earthing and
protective bonding arrangements the mains intake position a
230V system. protected additionally RCD
d. All final circuits bathroom, both power and lighting, must have:
a. only competent people may work ‘live’
d. The socket outlet must be:
a. IPX7 protection
d. overcurrent protection
b. The Electricity Work Regulations state that:
a. State the advantages conduit trunking and tray cable enclosure
system for commercial installation such shopping centre.365
U W
6 6
2 2
C1
L1 C1
2
C3
4
5
6
To phase supply
To phase motor
19.
.
25. only instructed and skilled people may work ‘live’. Zone protection. protected from overcurrent
c. polarity test. buried depth 600mm.
27.
22. the industrial type
b.
20
